Just playing the devil's advocate...why haven't they tried this tactic in the last 30 years on US planes?

Why did they not try flying a plane into a building for 30 years? Because they do the minimum to get past what we do. In the middle east, they have used families, babies and old people as screens for terrorist bombings and attacks.

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I say we first start by profiling. Without this, we haven't started at square one.

I am totally for profiling. I am also for tickets being purchased in advance and a total security check being done before the person arrives at the airport via back ground checks. Then I am for watching people for suspicious behavior.

As long as we continue this ridiculous sham called security, terrorists will just continue to find a weakness and use it.